September weather forecast
Hillsboro, AL

Weather in September

The first month of the autumn, September, is also a moderately hot month in Hillsboro, Alabama, with average temperature fluctuating between 63.9°F (17.7°C) and 83.1°F (28.4°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a warm 83.1°F (28.4°C). The average low-temperature, in September, is 63.9°F (17.7°C).

Heat index

In September, the average heat index is appraised at a tropical 89.8°F (32.1°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, clothing, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity is 74%.

Rainfall

In Hillsboro, during September, the rain falls for 14 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Hillsboro, during the entire year, the rain falls for 176.2 days and collects up to 42.32" (1075mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Hillsboro, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in Hillsboro is 8.8h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Hillsboro?

In Hillsboro, in September, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 63.9°F (17.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 89.8°F (32.1°C).

What is the average humidity in September in Hillsboro?

In September, the average relative humidity is 74%.

How much does it rain in Hillsboro in September?

In Hillsboro, in September, during 14 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When it does not snow in Hillsboro?

In Hillsboro snow does not fall in April through October.

What is the average length of the day in September in Hillsboro?

The average length of the day in September in Hillsboro is 12.4h.

How many hours of sunshine does Hillsboro have in September?

In September, the average sunshine in Hillsboro is 8.8h.

What is the UV index intensity in September in Hillsboro?

In September, the average daily maximum UV index in Hillsboro, Alabama, is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in September
Hillsboro, AL

Average temperature in September - Hillsboro, AL
  • Average high temperature in September: 83.1°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in September: 63.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in September
Hillsboro, AL

Average pressure in September - Hillsboro, AL
  • Average pressure in September: 30.02"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed in September
Hillsboro, AL

Average wind speed in September - Hillsboro, AL
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

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Average humidity in September
Hillsboro, AL

Average humidity in September - Hillsboro, AL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Hillsboro, AL

Average rainfall in September - Hillsboro, AL
  • Average rainfall in September: 2.6"

The wettest months (with the highest rainfall) are April and December (4.33").
The driest month (with the least rainfall) is November (2.4").

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Average rainfall days in September
Hillsboro, AL

Average rainfall days in September - Hillsboro, AL
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (10.2 days).

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Average snowfall in September
Hillsboro, AL

Average snowfall in September - Hillsboro, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.63").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Hillsboro, AL

Average snowfall days in September - Hillsboro, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Hillsboro, AL

Average daylight in September / Average sunshine in September - Hillsboro, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.8h

Months with the most sunshine are June and July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in September
Hillsboro, AL

Average sunshine days in September - Hillsboro, AL
  • Average sunshine days in September: 14.1 days

Months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.2 days).

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Average UV index in September
Hillsboro, AL

Average UV index in September - Hillsboro, AL
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Hillsboro, AL

Average cloud cover in September - Hillsboro, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in September
Hillsboro, AL

Average visibility in September - Hillsboro, AL
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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